Shortened footnote and citation:
{{sfn | Wolverton | 1997 | p=}}
* {{cite book | last=Wolverton | first=B. C. | title=Gesünder leben mit Zimmerpflanzen | publisher=vgs | publication-place=Köln | date=1997 | isbn=3-8025-1343-6 | language=de}}
Named reference:
<ref name="s415">{{cite book | last=Wolverton | first=B. C. | title=Gesünder leben mit Zimmerpflanzen | publisher=vgs | publication-place=Köln | date=1997 | isbn=3-8025-1343-6 | language=de | page=}}</ref>